Uninterruptable power supply



FIG. 1 is a perspective view showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is an end view; and,

FIG. 7 is an end view.

The portions of the uninterruptable power supply shown in broken linesare for illustrative purposes only and form no part of the claimeddesign.

The ornamental design for an uninterruptable power supply, as shown and described. 